Home / 2,579,454,394.60-3,863,510,221.18-2,131,722,831.72

Finding the Fourth Proportional to 2,579,454,394.60, 3,863,510,221.18 and 2,131,722,831.72

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Solution

The fourth proportional to 2,579,454,394.60, 3,863,510,221.18 and 2,131,722,831.72 is: 3,192,897,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,454,394.60 : 3,863,510,221.18 = 2,131,722,831.72 : x
  2. Step 2: Convert to fraction form
    2,579,454,394.60/3,863,510,221.18 = 2,131,722,831.72/x
  3. Step 3: Cross multiply
    2,579,454,394.60x = 3,863,510,221.18 × 2,131,722,831.72
  4. Step 4: Simplify right side
    2,579,454,394.60x = 8,235,932,949,072,993,280
  5. Step 5: Solve for x
    x = 8,235,932,949,072,993,280/2,579,454,394.60
  6. Step 6: Final answer
    x = 3,192,897,291.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.